George Keith was a Scottish religious leader, a Presbyterian turned Quaker turned Anglican. He was born in Peterhead, Aberdeenshire, Scotland, to a Presbyterian family and received an M.A. from the University of Aberdeen. Keith joined the Religious Society of Friends (Quakers) in the 1660s, accompanying George Fox, William Penn, and Robert Barclay on a mission to the Netherlands and Germany in 1677.

Concord Township is a township in Delaware County, Pennsylvania, United States. The population was 17,231 at the 2010 census. It contains the unincorporated communities of Concordville and Glen Mills.